Deadwood - is waaay better than Hell On Wheels and a worthy follow up to BB
Game of Thrones - obviously
Battlestar Galactica - a bit spiritual in places
Justified - very very good bit of a slow burner
Firefly/serenity -short and very sweet
Fringe -clever twist on x-files
Sons of Anarchy - cheesey but
Twin Peaks- the original thinky TV series does get weird
Sopranos - the next thinky one after twin peaks, it was a long gap
Oz - gritty a bit camp, worth watching
Carnivale - axed too soon but had something good
Deep Space Nine- no really long term story arc was excellent
Babylon 5- if you can handle DS9 youre in for a treat!
Suernatural - silly, gory, bromance, lots of series though
Spartacus- boobs n gore
Rome- like spartacus only a bit more grown up, 2nd series was too rushed
The Killing (swedish version)gripping story, great acting cozy jumpers
The Bridge (Danish version) see above, less jumpers

Netflix? I jumped straight into House of Cards after finishing Breaking Bad about three weeks ago. As much as I enjoyed Breaking Bad and would argue it's probably the most original series in a long time, I enjoyed House of Cards more. Brilliant. Finished the series over a long weekend...